dictfetchall(cursor) - What kind of sorcery is this?

I borrowed the dictfetchall(cursor) code directly from Djangoproject.com and it works with my code.

But what kind of sorcery is this?  How can I output the contents of desc?  I want to see what that data looks like.

    desc = cursor.description

Because I can't follow what's going on here.

    for col in desc

#_______________________________________________________________________________

https://docs.djangoproject.com/en/1.6/topics/db/sql/#connections-and-cursors

def dictfetchall(cursor):

    "Returns all rows from a cursor as a dict."

    desc = cursor.description

    return [

        dict(zip([col[0] for col in desc], row))

        for row in cursor.fetchall()

    ]

#_______________________________________________________________________________

class AltwordManager(models.Manager):

    def vote_order(self):

        "Returns a 1:M list ordered by votes."

        cursor =  connection.cursor()

        cursor.execute("""

SELECT navi_polls_word.rosword, navi_polls_altword.alt_ros_word, navi_polls_altword.votes

FROM navi_polls_altword INNER JOIN navi_polls_word

ON (navi_polls_altword.rosword_id=navi_polls_word.id)

        """)

        #row = cursor.fetchall()

        row = dictfetchall(cursor)

        return row

#_______________________________________________________________________________

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